LOWICZ, a walled town of Poland, about 45 miles W.S.W. of Warsaw, on the Bzura, one of the feeders of the Vistula. It has an old castle, cavalry barracks, three churches, several monasteries, a Piarist college and gymnasium, a normal school, and an hospital. There are some manufactures of refined wax in the place; and it carries on a considerable trade in horses and cattle. The principal branches of industry, however, are linen-weaving and tanning. It was formerly the capital of a principality. Pop. 7100.